CT2511. Chamber Thermistor maybe open circuit

Hi there, I am having the error code CT2511 pop up and when i ignore it to ry and print my prints will go for 1 minute then stop. It says that the chamber thermistor may be open circuit. I may have found the thermistor located in the printer but I don’t know how I go about changing it. I’m going to attach a photo of what I think is the thermistor end. Any help would be appreciated.

こんにちは。
質問:購入されてからどのぐらい経過してますか?
ファームウェアのバージョンはV1.1.0.94なら最新版にアックグレードするか?
末尾66に入れ替えて確認してみては如何でしょうか?

I believe I purchased it in November of 2025. I can go look at the firmware version. How does one rollback the firmware on the printer